Improvement in piles for bar-iron



w. F. nun FEE. Files for Bar-Iron.

Patented April 20, 1875.

Witnesses Inventor /Zz4; A a/4 flwvzm/zzfi THE GRAPHIC CU-PHGTD'UTH39841PARK PLACE,N-Y-

TiTATEg T FFIUE.

WILLIAM FRANKLIN DURFEE, OF MILWAUKEE, WISCONSIN, ASSIGNOR OF ONE-HALFHIS RIGHT TO JAMES JOHN HAGENN AN, OF SAME PLACE.

IMPROVEMENT IN PILES FOR BAR-IRON.

Specification forming part of Letters Patent No. 162,159, dated April20, 1875; application filed March 16, 1875.

To all whom 2'1 may concern:

Be it known that I, WILLIAM FRANKLIN DURFEE, of the city of Milwaukeeand State of Visconsin, have invented an Improved Method of Piling OldRails, in combination with scrap-iron and pieces of bar-iron, of whichthe following is a specification:

The object of my invention is to utilize, in an economical manner, inthe manufacture of bar-iron, old railroad-bars, fine scrap-iron, andpieces of bar and angle iron, by combining them into a pile,substantially as herein described, reference being had to theaccompanying drawing, forming part of this specification, said pilebeing properly heated and then drawn either by rolls or under a hammerinto the form of bar desired.

The old rails forming part of the pile are so arranged that their heads,(which are usually of a hard and crystalline texture, more or lessbrittle or cold-short in character,) are in the interior of the pile,and their flanges, which are of a soft, fibrous, and tough iron, are onthe outside of the pile, as shown in the drawing- Figure 1 being an endview of the pile, and Fig. 2 being a view of one of the staples used tofasten the pile at the ends, by which its several parts are heldtogether. Fig. 3shows an isometric view of the peculiar combination offour staples, so arranged as mutally to confine each other, as is alsoshown in the end view, Fig. 1. Fig. at shows the exterior view of thepile.

In Fig. l the rails are indicated by the letters R R R R. The spacesbetween the flanges of the rails aforesaid are filled by pieces of scrapbar-iron, or by bars rolled for the purpose, of any suitable form orsize, as indicated by the letters A A A A. The spaces inclosed by thebars last named and the rails aforesaid, as well as the central spaceinclosed by the heads of the rails, are filled with pieces of loosescrap-iron of any form that will pack together in a solid and compactmanner, which spaces are lettered on Fig. 1 S S S S.

The several parts of the pile are held together, and retained in theproper relative positions, during handling and heating, by means of twoor more bands or hoops, markedBBin the drawings, or by the peculiarcombination of staples shown in Fig. 3, and which are shown in theirplaces at the end of the pile in Fig. 1.

\Vhen a pile, constructed substantially as hereinbefore described, isheated and rolled into a bar of iron, it is found that the hard brittleiron forming the heads of the rails in said pile arranges itself in ornear the center of the said bar of iron, while the fibrous iron of theflanges of said rails arranges itself on the outside of said bar, and isthoroughly united by welding with the iron A A A A and S S S S, fillingthe spaces in the pile between said flanges, while the whole iron of thepile is thoroughly welded together, and

the resulting bar is found to be tougher, and

to be less liable to crack when bent, than iron made from the samematerials disposed in any other way than substantially as shown.

I claim as my invention and desire to secure by Letters Patent 1. A pilefor the manufacture of bar-iron, composed of railroad-bars, arranged incombination with other bars and scrap-iron, sub stantially in the mannerand for the purpose hereinbefore described.

2. The peculiar combination of staples, or their equivalents, forholding the pile together, arranged substantially in the manner and forthe purpose before described.

WILLIAM FRANKLIN DURFEE.

VVit-nesses: EDWARD H. JONES, WILLIAM H. OSBORNE.

